^^&&^^

Edit File: table_schema.test

# Test to detect changest to the PERFORMANCE_SCHEMA table schemas

--source include/not_embedded.inc
--source include/have_perfschema.inc

# Use the INFORMATION_SCHEMA to examine the tables in the PERFORMANCE_SCHEMA
# and detect any tables that have changed.

select * from information_schema.columns where table_schema="performance_schema"
   order by table_name, ordinal_position;

# Bug#11766504 "59631: BIGINT UNSIGNED BYTE RELATED COLUMNS IN PERFORMANCE_SCHEMA"

# Goal: Confirm that all byte related columns are BIGINT signed. This test will
# not have to be changed to accommodate new or deleted columns.

# Count the number of NUMBER_OF_BYTES columns.

select count(*) from information_schema.columns
   where table_schema="performance_schema" and data_type = "bigint"
   and column_name like "%number_of_bytes" into @count_byte_columns;

# Confirm that at least one column was found.

select @count_byte_columns > 0;

# Confirm that all NUMBER_OF_BYTES columns are BIGINT signed.

select count(*) from information_schema.columns
   where table_schema="performance_schema" and data_type="bigint"
   and column_name like "%number_of_bytes"
   and column_type not like "%unsigned" into @count_byte_signed;

select (@count_byte_columns - @count_byte_signed) = 0;

# Similar test for OBJECT_INSTANCE_BEGIN values, which are typically derived
# from a memory address and must therefore be unsigned.
#
# Count the number of OBJECT_INSTANCE_BEGIN columns.

select count(*) from information_schema.columns
   where table_schema="performance_schema" and data_type = "bigint"
   and column_name like "%object_instance_begin" into @count_object_columns;

# Confirm that at least one column was found.

select @count_object_columns > 0;

# Confirm that all OBJECT_INSTANCE_BEGIN columns are BIGINT unsigned.

select count(*) from information_schema.columns
   where table_schema="performance_schema" and data_type="bigint"
   and column_name like "%object_instance_begin"
   and column_type like "%unsigned" into @count_object_unsigned;

select (@count_object_columns - @count_object_unsigned) = 0;